Eternal Songs of Legend Riders and Symphogears

He was organizing his big shelf containing different Kamen Rider belts and tools and will now go to bed after his online class project is finished.

But then, the next hour he wakes up, thinking to himself of what hellhole has he entered himself into?

(Inspired from @Dekaconvoy Kamen Rider W x Symphogear story.)

(All of the rights will be go to the Symphogear project team, and Kamen Rider belong to Toei and Ishimori Productions)